I had issues when upgraded to 1.28 from 1.27 with my AMD and NVIDIA mixed rig.

1.27
https://i.ibb.co/NTbjz4n/1-27-DUAL.jpg

1.28
https://i.ibb.co/P4mDbMk/1-28-DUAL.jpg

As you can see GPU 0 which is 6800XT which fails and mining is not getting started.

Please help.